Three cartridge electronic control device



FIG. 1 is a perspective view of a three cartridge electronic control device, showing novel design, with the top, front, and left sides visible;

FIG. 2 is a front view of the three cartridge electronic control device of FIG. 1;

FIG. 3 is a rear view of the three cartridge electronic control device of FIG. 1;

FIG. 4 is a right side view of the three cartridge electronic control device of FIG. 1;

FIG. 5 is a left side view of the three cartridge electronic control device of FIG. 1;

FIG. 6 is a top view of the three cartridge electronic control device of FIG. 1; and,

FIG. 7 is a bottom view of the three cartridge electronic control device of FIG. 1.

The portions of the three cartridge electronic control device shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a three cartridge electronic control device, as shown and described. 